Niles acting career started in 2004 with appearances on The Best Damn Sports Show Period as "Santa's Helper". Since then she has appeared in a variety of minor roles, guest appearances, and walk-on roles that include the television series' Gun X Sword (2005), Perfect 10 Model Boxing (2006), Gay, Straight or Taken? (2007, two episodes), Showtime's Californication, and the pilot episode for The Defenders.